Pith Number

pith:EU4C4TCK

pith:2015:EU4C4TCKCHAIM7R4SLNM74BJWL

not attested not anchored not stored refs pending

Numerical study of a parametric parabolic equation and a related inverse boundary value problem

Lauri Mustonen

arxiv:1506.01559 v3 · 2015-06-04 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EU4C4TCKCHAIM7R4SLNM74BJWL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:04:22.814741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25382e4c4a11c0867e3c92dacff029b2cf1dda7775e98f713647d2882c174c91

Aliases

arxiv: 1506.01559 · arxiv_version: 1506.01559v3 · doi: 10.48550/arxiv.1506.01559 · pith_short_12: EU4C4TCKCHAI · pith_short_16: EU4C4TCKCHAIM7R4 · pith_short_8: EU4C4TCK

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EU4C4TCKCHAIM7R4SLNM74BJWL \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 25382e4c4a11c0867e3c92dacff029b2cf1dda7775e98f713647d2882c174c91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "873ae2610bef6b68a6bfb7a002f3935c1c7716da6217559d5896fa03b1b2b18f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-06-04T12:15:09Z",
    "title_canon_sha256": "a388cd944c7f38e3200fa16db2a14eabcef00d4e0f3e16af6212d59ec2629710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01559",
    "kind": "arxiv",
    "version": 3
  }
}